Competitive-gap closure: validation suites, fallback policy, ER accuracy evidence, 25M benchmarks, CI honesty#134

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feat/competitive-gaps-jwd

Jul 12, 2026

Commits on Jul 12, 2026

feat(validation): declarative ValidationSuite layer over the contract engine

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feat(execution): fallback_policy=allow|warn|error + execution-honesty report fields

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feat(polars): native subset dedup — pandas keep semantics, no fallback

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feat(er): token_set/metaphone comparators, null_policy, mode presets, labelled accuracy benchmark

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feat(api): fd.plan / fd.apply plan-first workflow + fd.pipeline() fluent builder

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feat(plugins): comparator + exporter extension points (freshdata.comparators / freshdata.exporters)

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bench+ci+docs: 25M-row evidence, honest CI large lane, comparison/validation/fallback docs

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